body {
  background-color: #f2f2f2;
  padding-bottom: 13.86666667vw;
}
.top_search {
  position: sticky;
  top: 0;
  z-index: 99;
  background-color: #f2f2f2;
}
.top_search .search {
  height: 11.33333333vw;
  display: flex;
}
.top_search .search > a {
  width: 14vw;
}
.top_search .search .logo {
  background: url("../imgs/logo.png") no-repeat center center / 5.06666667vw 3.33333333vw;
}
.top_search .search .search_input {
  position: relative;
  flex: 1;
  height: 11.33333333vw;
  padding: 1.6vw;
}
.top_search .search .search_input input {
  width: 100%;
  height: 100%;
  border-radius: 0.66666667vw;
  border: 0.26666667vw solid #ccc;
}
.top_search .search .search_input .search_icon::after {
  position: absolute;
  content: "";
  width: 8.4vw;
  height: 8.4p;
  background: url('../imgs/search.png') no-repeat center center / 6.66666667vw 6.66666667vw;
}
.top_search .search .login {
  background: url("../imgs/mine.png") no-repeat center center / 5.6vw 5.6vw;
}
.top_search .nav {
  display: flex;
  height: 8.53333333vw;
}
.top_search .nav a {
  float: left;
  display: inline-flex;
  flex: 1;
  justify-content: space-evenly;
  align-items: center;
  text-align: center;
  font-size: 3.2vw;
}
.top_search .nav a .active {
  border-bottom: 0.26666667vw solid orange;
  display: inline-block;
  height: 8.26666667vw;
  line-height: 8.26666667vw;
}
.banner {
  position: relative;
}
.banner img {
  width: 100%;
  display: block;
}
.banner ul {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 20px;
  width: 55px;
  display: flex;
  justify-content: space-between;
}
.banner ul li {
  width: 10px;
  height: 10px;
  background-color: #fff;
  border-radius: 50%;
  opacity: 0.5;
}
.banner ul .first {
  opacity: 1;
}
.category ul {
  display: flex;
  flex-wrap: wrap;
}
.category ul li {
  width: 20%;
}
.category ul li a img {
  width: 100%;
  display: block;
}
.show {
  border-top: 8px solid #ccc;
  border-bottom: 8px solid #ccc;
}
.show a {
  width: 50%;
  float: left;
}
.show a:nth-child(1) {
  border-right: 1px solid #fff;
}
.show a:nth-child(2) {
  border-bottom: 3px solid #fff;
}
.show a:nth-last-child(-n + 2) {
  border-left: 1px solid #fff;
}
.show_bottom {
  width: 100%;
}
.show_bottom img {
  width: 100%;
  display: block;
}
.footer {
  display: flex;
  height: 13.86666667vw;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
}
.footer a {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 3.2vw;
  color: #666;
}
.footer a img {
  width: 6.13333333vw;
}
